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Zabaleta, M, Burguete, E, Madariaga, D, Zubimendi, I, Zubiaga, M and Larrazabal, I (2016) LCL Grid Filter Design of a Multimegawatt Medium-Voltage Converter for Offshore Wind Turbine Using SHEPWM Modulation. IEEE TRANSACTIONS ON POWER ELECTRONICS, 31 (3). pp. 1993-2001. ISSN 0885-8993
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LCL Grid Filter Design of a Multi-Megawatt Medium-Voltage Converter for Offshore Wind Turbine using SHEPWM Modulation v11.pdf - Accepted Version Download (515kB) | Preview |
Abstract
The switching frequency of medium-voltage highpower
converters is limited to about 1 kHz due to semiconductor
junction temperature constraint. The frequency band between the fundamental and carrier frequency is limited to a little more than one decade and the LCL filter design is usually a challenge to meet grid codes for grid-connected applications. Traditional designs focus on the optimization of the filter parameters and different damping circuits. However, this design is very influenced by the modulation technique and produced low-order harmonics. Widely used pulse width modulations (PWM), such as phase disposition
PWM (PDPWM), produce low-order harmonics that constraint the design of the filter. Selective harmonic elimination PWM (SHEPWM) can eliminate theses low-order harmonics, enabling a more efficient design of the LCL filter. In this paper, the LCL grid filter of a multimegawatt medium-voltage neutral-point-clamped
converter for a wind turbine is redesigned using the SHEPWM modulation. Experimental results demonstrate that the efficiency of the converter, filter, and overall efficiency are increased compared to that obtained with PDPWM.
| Item Type: | Article |
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| Additional Information: | (c) 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works. |
| Uncontrolled Keywords: | 0906 Electrical And Electronic Engineering |
| Subjects: | T Technology > TK Electrical engineering. Electronics. Nuclear engineering |
| Divisions: | Electronics & Electrical Engineering (merged with Engineering 10 Aug 20) |
| Publisher: | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
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| Date Deposited: | 21 Sep 2016 10:14 |
| Last Modified: | 03 Aug 2022 07:43 |
| DOI or ID number: | 10.1109/TPEL.2015.2442434 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/4185 |
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